--- /dev/null 2019-03-11 09:22:42.048915961 +0100 +++ new/test/hotspot/jtreg/runtime/valhalla/valuetypes/TestInheritedValueTypeFields.java 2019-03-11 14:27:48.794353736 +0100 @@ -0,0 +1,92 @@ +/* + * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +package runtime.valhalla.valuetypes; + +import jdk.test.lib.Asserts; + +/* + * @test TestInheritedValueTypeFields + * @summary Test if value field klasses are correctly retrieved for inherited fields + * @library /test/lib + * @compile -XDemitQtypes -XDenableValueTypes -XDallowWithFieldOperator -XDallowFlattenabilityModifiers Point.java TestInheritedValueTypeFields.java + * @run main/othervm -XX:+EnableValhalla runtime.valhalla.valuetypes.TestInheritedValueTypeFields + */ + +class A { + Point.val p; +} + +class B extends A { + +} + +class C extends B { + int i; +} + +class D { + long l; +} + +class E extends D { + Point.val p1; +} + +class F extends E { + +} + +class G extends F { + Point.val p2; +} + +public class TestInheritedValueTypeFields { + + public static void main(String[] args) { + for (int i = 0; i < 100000; i++) { + run(); + } + } + + public static void run() { + B b = new B(); + Asserts.assertEquals(b.p.x, 0); + Asserts.assertEquals(b.p.y, 0); + b.p = Point.createPoint(1,2); + Asserts.assertEquals(b.p.x, 1); + Asserts.assertEquals(b.p.y, 2); + + G g = new G(); + Asserts.assertEquals(g.p1.x, 0); + Asserts.assertEquals(g.p1.y, 0); + Asserts.assertEquals(g.p2.x, 0); + Asserts.assertEquals(g.p2.y, 0); + g.p1 = Point.createPoint(1,2); + g.p2 = Point.createPoint(3,4); + Asserts.assertEquals(g.p1.x, 1); + Asserts.assertEquals(g.p1.y, 2); + Asserts.assertEquals(g.p2.x, 3); + Asserts.assertEquals(g.p2.y, 4); + } +}